<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../react18/react.development.js"></script>
  <script src="../react18/react-dom.development.js"></script>
  <script src="../react18/babel.min.js"></script>
</head>

<body>
  <div id="app"></div>
  <script type="text/babel">
    //非组件定义,而是一个封装函数返回一个虚拟DOM
    /* 
      缺点:
        - 识别性不高,一般组件的调用是使用大写的标签调用<Title/>
        - 不具备组件拥有的功能(hooks等)
        - 开发者工具也不会识别
    
    */
    function Title(){
      return <h1>标题</h1>
    }

    const root = ReactDOM.createRoot(document.getElementById('app'));
    root.render(Title())


  </script>
</body>

</html>